1. Old people are like old people and people are old, young people are like young people and people are young.

2. Confucius said: "When a disciple enters, he will be filial, and when he goes out, he will be brotherly. He will be sincere and trustworthy, love others universally, and be kind to others. If he can do what he has to spare, he will study literature."

3. Confucius said: "If his body is upright, he will act without being told; if his body is not upright, he will not obey even though he is told."